Results 101 to 110 of about 2,239 (165)

Evolución de los métodos cuantitativos para el estudio y gestión de las poblaciones de aves: sobre la importancia de las contribuciones individuales [PDF]

open access: yes
The EURING meetings and the scientists who have attended them have contributed substantially to the growth of knowledge in the field of estimating parameters of animal populations. The contributions of David R.
Nichols, J. D.
core  

Survival of fallen and returned rooftop nesting Least Tern chicks

open access: yesAvian Conservation and Ecology
Beach habitat is increasingly degraded and disturbed, and many species of Larids (gulls, terns, and skimmers) have adapted to nesting on gravel rooftops.
Elizabeth A Forys   +2 more
doaj   +1 more source

Hierarchial mark-recapture models: a framework for inference about demographic processes

open access: yesAnimal Biodiversity and Conservation, 2015
The development of sophisticated mark-recapture models over the last four decades has provided fundamental tools for the study of wildlife populations, allowing reliable inference about population sizes and demographic rates based on clearly formulated ...
Link, W. A., Barker, R. J.
doaj  

Efectos de las condiciones primaverales en la propensión reproductora de las hembras de ánsar nival [PDF]

open access: yes
Breeding propensity, defined as the probability that a sexually mature adult will breed in a given year, is an important determinant of annual productivity. It is also one of the least known demographic parameters in vertebrates.
Gauthier, G., Giroux, J.-F., Reed, E. T.
core  

Tasas de dispersión y supervivencia de adultos y juveniles del rabijunco colirrojo (Phaethon rubricauda) expuestas a contaminantes potenciales [PDF]

open access: yes
Annual survival and dispersal rates of adult and juvenile red–tailed tropicbirds were examined in connection with exposure to heavy metals. From 1990–2000 the incineration of a U.S.
Doherty, P. F.   +2 more
core  

Interplay of abiotic conditions, density, and body size in shaping demography in a high‐elevation toad population

open access: yesEcosphere
In natural populations, vital rates such as survival and reproduction are influenced by a complex interplay of abiotic conditions (e.g., environment), density dependence, and individual factors (e.g., phenotypic traits).
Omar Lenzi   +9 more
doaj   +1 more source

Site-Specific Impacts of Urbanisation on Annual Survival of a Forest Bird. [PDF]

open access: yesEcol Evol
Bukor B   +6 more
europepmc   +1 more source

Factors affecting the demography of a lek-mating bird: the greater prairie-chicken [PDF]

open access: yes
Doctor of PhilosophyDepartment of BiologyBrett K. SandercockSexual selection via female choice and male-male aggression leads to elaboration of male traits. If male traits correlated with reproductive success are honest signals of male quality, survival
Nooker, Jacqueline Kay
core  

Home - About - Disclaimer - Privacy